
    <%
        var a = 1;
    switch(a){
        case 1:
        printf(你好测试switch case 1！！);
        break;
        case 2:
    printf(你好测试switch case 2！！);
        break;
    }
    var b = 2;
    var c = 3;
    var d = b+c;
    printf(数据为${d} );
    if(d == 5){
        printf(IF语句成功！！);
    }
    %>